Evolutionary BiologybioRxivPreprint
Sexual signal reliability in male zebra finches: Food intake explains the impact of immune activation on carotenoid-based coloration
Alejandro Cantarero, Rafael Mateo, Pablo R. Camarero…·Carlos Alonso‐Álvarez
This study investigates how immune activation affects carotenoid-based coloration in male zebra finches, finding that reduced food intake, not immune response itself, drives changes in bill redness.
DOI 10.1101/2025.04.08.647553